/* Hallmark · macrostructure: Editorial Split + Marquee · tone: austere-editorial · anchor hue: cobalt
 * 주식회사 사선 (斜線 · SASUN) 코퍼레이트 홈페이지 v3
 * 브랜드: 조용한 예리함 · 모노톤 + 코발트 단일액센트 · 20° 사선 · Pretendard + JetBrains Mono
 * v3: 획일 번호 섹션헤드 제거 · 건축 모노크롬 이미지 통합 · 마퀴 · 구조 다양화 · keep-all
 */

:root{
  --ink:#17191F; --ink-70:#3a3c42; --ink-50:#5f616a; --muted:#676762;
  --paper:#F4F3F0; --paper-2:#EEEDE8; --paper-3:#E8E7E1;
  --cobalt:#2544E0; --cobalt-ink:#1b34b0;
  --line:#D8D6D0; --line-soft:#E2E0DA;
  --d-line:rgba(255,255,255,.14); --d-muted:#9296ab; --d-cobalt:#8ea2ff;
  --ang:20deg;
  --serif:"Pretendard",system-ui,-apple-system,sans-serif;
  --mono:"JetBrains Mono","IBM Plex Mono",monospace;
  --wrap:1200px; --pad:40px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:82px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--serif); background:var(--paper); color:var(--ink);
  -webkit-font-smoothing:antialiased; line-height:1.5;
  word-break:keep-all;              /* 한국어 단어 중간 줄바꿈 방지 (부동산 등) */
  overflow-x:clip;
}
html{overflow-x:clip}
::selection{background:var(--cobalt);color:#fff}
h1,h2,h3{word-break:keep-all;overflow-wrap:anywhere;min-width:0}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.wide{max-width:1360px;margin:0 auto;padding:0 var(--pad)}
.mono{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase}
a{color:inherit}
.slash{color:var(--cobalt);font-weight:400}
.sr-only,.skip{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip:focus{position:fixed;top:10px;left:10px;width:auto;height:auto;clip:auto;overflow:visible;
  padding:11px 18px;background:var(--ink);color:var(--paper);z-index:100;font-size:14px;
  text-decoration:none;outline:2px solid var(--cobalt);outline-offset:2px}
:focus-visible{outline:2px solid var(--cobalt);outline-offset:3px}

/* 이미지 — 전부 그레이스케일 듀오톤으로 모노톤 통합 */
.img{display:block;width:100%;height:100%;object-fit:cover;
  filter:grayscale(1) contrast(1.05) brightness(1.02)}

/* 섹션 골격 — 번호 섹션헤드 폐기, 스택형 라벨(tag 위 / 제목 아래, 같은 컬럼) */
section{position:relative}
.sec{padding:112px 0}
.sec--tight{padding:76px 0}
.sec--alt{background:var(--paper-2)}
.sec--ink{background:var(--ink);color:var(--paper)}
.shead{margin-bottom:46px;max-width:760px}
.shead .k{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--muted);margin-bottom:18px}
.shead .k::before{content:"／ ";color:var(--cobalt);font-weight:400}
.shead h2{font-size:clamp(28px,3.8vw,46px);font-weight:700;letter-spacing:-.03em;line-height:1.1}
.shead h2 .slash{font-weight:400}
.shead .lead{margin-top:18px;font-size:16.5px;color:var(--ink-70);line-height:1.7;max-width:60ch}
.sec--ink .shead .k{color:var(--d-muted)}
.sec--ink .shead .lead{color:#c6c8cf}

/* ============================================================ NAV */
nav{position:sticky;top:0;z-index:40;background:rgba(244,243,240,.82);
  backdrop-filter:blur(9px);-webkit-backdrop-filter:blur(9px);border-bottom:1px solid var(--line)}
@supports not ((backdrop-filter:blur(9px)) or (-webkit-backdrop-filter:blur(9px))){nav{background:rgba(244,243,240,.97)}}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:23px;letter-spacing:-.02em;text-decoration:none;color:var(--ink)}
.logo-mark{flex:none;display:block}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{color:var(--ink);text-decoration:none;font-size:14.5px;opacity:.72;transition:opacity .2s}
.nav-links a:hover{opacity:1}
.nav-cta{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;border:1px solid var(--ink);padding:9px 15px;opacity:1!important;transition:.2s}
.nav-cta:hover{background:var(--ink);color:var(--paper)}
.nav-toggle{display:none}
.nav-toggle>summary{list-style:none;cursor:pointer;font-family:var(--mono);font-size:12px;letter-spacing:.1em;border:1px solid var(--ink);padding:9px 13px;user-select:none}
.nav-toggle>summary::-webkit-details-marker{display:none}
.nav-toggle[open]>summary{background:var(--ink);color:var(--paper)}
.nav-drop{position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);display:flex;flex-direction:column;padding:8px var(--pad) 18px}
.nav-drop a{padding:13px 0;border-bottom:1px solid var(--line-soft);text-decoration:none;color:var(--ink);font-size:16px}
.nav-drop a:last-child{border-bottom:0}

/* ============================================================ S1 HERO — 에디토리얼 스플릿 (텍스트 좌 / 건축 이미지 우) */
.hero{position:relative;overflow:hidden;background:var(--paper)}
.hero .wrap{position:relative;z-index:2}
.hero-copy{max-width:560px;min-width:0;padding:120px 0 96px;min-height:86vh;
  display:flex;flex-direction:column;justify-content:center}
.eyebrow{font-size:11.5px;color:var(--muted);margin-bottom:30px;display:flex;gap:14px;align-items:center;font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase}
.eyebrow .dot{width:5px;height:5px;background:var(--cobalt);display:inline-block;transform:rotate(45deg)}
h1{font-size:clamp(37px,4.7vw,68px);font-weight:700;line-height:1.07;letter-spacing:-.035em;max-width:100%}
h1 .sa{position:relative;white-space:nowrap}
h1 .sa::after{content:"";position:absolute;left:-2%;right:-2%;bottom:.1em;height:.09em;
  background:var(--cobalt);transform:skewX(calc(-1 * var(--ang)));transform-origin:left}
.sub{margin-top:32px;font-size:clamp(16px,1.5vw,19px);color:var(--ink-70);max-width:42ch;line-height:1.62}
.cta{margin-top:42px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.btn{font-size:14.5px;padding:13px 24px;border:1px solid var(--ink);background:var(--ink);color:var(--paper);text-decoration:none;transition:.2s;display:inline-block}
.btn:hover{background:transparent;color:var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
/* 히어로 이미지 패널 + 흐르는 사선 */
.hero-visual{position:absolute;top:0;right:0;bottom:0;width:45%;z-index:0;overflow:hidden;background:var(--ink)}
.hero-visual .img{filter:grayscale(1) contrast(1.08) brightness(.97)}
.hero-visual::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, var(--paper) 0%, rgba(244,243,240,0) 28%)}
.hero-flow{position:absolute;top:0;bottom:0;left:0;right:0;pointer-events:none;overflow:hidden;z-index:3}
.hero-flow::before{content:"";position:absolute;left:53%;top:-25%;width:2px;height:150%;
  transform-origin:top center;transform:rotate(calc(-1 * var(--ang)));
  background:linear-gradient(to bottom,#2544E0 0%,#2544E0 30%,#3a56ea 42%,#8b98ff 50%,#3a56ea 58%,#2544E0 70%,#2544E0 100%);
  background-size:100% 300px;background-repeat:repeat-y;will-change:background-position;
  animation:draw 1.4s cubic-bezier(.2,.7,.2,1) .2s both, flow 3s linear .2s infinite}
@keyframes draw{from{height:0}to{height:150%}}
@keyframes flow{to{background-position-y:300px}}

/* ============================================================ LOGO MARQUEE — 실제 고객사 로고 스트립 2줄 */
.logo-marquee{background:var(--paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  overflow:hidden;padding:38px 0 40px;display:flex;flex-direction:column;gap:26px}
.lm-cap{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);
  text-align:center;margin-bottom:8px}
.lm-cap .slash{color:var(--cobalt)}
.lm-row{display:flex;width:max-content;animation:lm 52s linear infinite;will-change:transform}
.lm-row--rev{animation-direction:reverse;animation-duration:64s}
.logo-marquee:hover .lm-row{animation-play-state:paused}
.lm-strip{height:56px;width:auto;display:block;flex:none;filter:grayscale(1) opacity(.72);padding:0 34px}
@keyframes lm{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ============================================================ PROOF STRIP */
.proofbar{background:var(--paper);border-bottom:1px solid var(--line)}
.proofbar-in{display:flex;flex-wrap:wrap;align-items:stretch}
.proof-item{flex:1;min-width:220px;padding:28px 30px;display:flex;flex-direction:column;gap:6px;text-decoration:none;color:var(--ink);border-left:1px solid var(--line);transition:background .2s}
.proof-item:first-child{border-left:0}
.proof-item:hover{background:var(--paper-2)}
.proof-item .pv{font-family:var(--mono);font-size:clamp(22px,2.6vw,30px);font-weight:500;letter-spacing:-.02em;line-height:1}
.proof-item .pv .u{color:var(--cobalt)}
.proof-item .pl{font-size:13px;color:var(--ink-70);line-height:1.4}
.proof-note{padding:12px 30px;font-size:11.5px;color:var(--muted);border-top:1px dashed var(--line-soft)}

/* ============================================================ S2 INTRO — 비대칭 에디토리얼 */
.intro{display:grid;grid-template-columns:1.3fr .85fr;gap:72px;align-items:end}
.intro-lead{font-size:clamp(23px,2.6vw,33px);font-weight:600;line-height:1.38;letter-spacing:-.025em}
.intro-lead .hl{position:relative;white-space:nowrap}
.intro-lead .hl::after{content:"";position:absolute;left:0;right:0;bottom:.06em;height:.5em;background:rgba(37,68,224,.1);z-index:-1}
.intro-body{margin-top:28px;font-size:16.5px;line-height:1.78;color:var(--ink-70);max-width:54ch}
.metrics{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--ink)}
.metric{border-bottom:1px solid var(--line);padding:22px 20px 22px 0}
.metric:nth-child(odd){padding-left:0}
.metric:nth-child(even){padding-left:24px;border-left:1px solid var(--line)}
.metric .num{font-family:var(--mono);font-size:32px;font-weight:500;letter-spacing:-.02em;line-height:1}
.metric .num.sm{font-size:20px}
.metric .num .u{color:var(--cobalt)}
.metric .lab{margin-top:11px;font-size:11.5px;color:var(--muted);letter-spacing:.05em}

/* ============================================================ BELIEF BAND — 풀블리드 다크 이미지 + 대형 스테이트먼트 */
.band{position:relative;color:var(--paper);overflow:hidden;isolation:isolate}
.band .band-bg{position:absolute;inset:0;z-index:-2}
.band .band-bg .img{filter:grayscale(1) contrast(1.1) brightness(.42)}
.band::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(15,17,22,.7) 0%,rgba(15,17,22,.55) 45%,rgba(15,17,22,.82) 100%)}
.band-in{padding-top:120px;padding-bottom:120px}
.band-kicker{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--d-cobalt);margin-bottom:34px}
.band-kicker::before{content:"／ ";color:var(--d-cobalt)}
.beliefs{display:flex;flex-direction:column;gap:clamp(18px,2.4vw,28px);max-width:none}
.belief-line{font-size:clamp(24px,3.3vw,42px);font-weight:700;letter-spacing:-.03em;line-height:1.18;max-width:24ch}
.belief-line .n{font-family:var(--mono);font-size:.34em;font-weight:400;color:var(--d-cobalt);vertical-align:middle;margin-right:.5em}
.belief-sub{margin-top:34px;font-size:16.5px;line-height:1.75;color:#d3d5dc;max-width:52ch}

/* ============================================================ S4 WHAT WE DO — 이미지 스택 카드 */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pillar{position:relative;overflow:hidden;background:var(--ink);color:var(--paper);min-height:380px;
  display:flex;flex-direction:column;justify-content:flex-end;padding:32px 30px 34px;text-decoration:none}
.pillar .p-bg{position:absolute;inset:0;z-index:0}
.pillar .p-bg .img{filter:grayscale(1) contrast(1.05) brightness(.5);transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.pillar:hover .p-bg .img{transform:scale(1.05)}
.pillar::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(15,17,22,.15) 0%,rgba(15,17,22,.5) 55%,rgba(15,17,22,.9) 100%)}
.pillar>*{position:relative;z-index:2}
.pillar .p-en{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--d-cobalt)}
.pillar h3{margin-top:14px;font-size:28px;font-weight:700;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}
.pillar h3 .slash{color:var(--d-cobalt)}
.pillar p{margin-top:12px;font-size:14.5px;color:#cfd1d8;line-height:1.65;max-width:34ch}

/* ============================================================ S5 RESULTS (성과) — 다크 데이터 */
.rank-cap{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--d-cobalt);text-transform:uppercase;margin-bottom:8px}
.rank-list{border-top:1px solid var(--d-line)}
.rank-row{display:grid;grid-template-columns:1.1fr 1fr auto;gap:24px;align-items:center;padding:19px 4px;border-bottom:1px solid var(--d-line)}
.rank-kw{font-size:clamp(18px,2vw,23px);font-weight:700;letter-spacing:-.02em}
.rank-kw .q{color:var(--d-muted);font-weight:400}
.rank-vol{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--d-muted)}
.rank-move{display:flex;align-items:center;gap:12px;justify-content:flex-end;font-family:var(--mono);white-space:nowrap}
.rank-before{font-size:13px;color:var(--d-muted)}
.rank-arrow{color:var(--d-cobalt);font-size:15px}
.rank-after{font-size:clamp(17px,1.9vw,21px);font-weight:600;color:#fff}
.rank-after .win{color:var(--d-cobalt)}
.bignums{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--d-line);border-left:1px solid var(--d-line);margin-top:56px}
.bignum{border-right:1px solid var(--d-line);border-bottom:1px solid var(--d-line);padding:30px 24px 28px}
.bignum .bv{font-family:var(--mono);font-size:clamp(28px,3.6vw,44px);font-weight:500;letter-spacing:-.03em;line-height:1;color:#fff}
.bignum .bl{margin-top:14px;font-size:13.5px;font-weight:600;color:var(--paper)}
.bignum .bs{margin-top:4px;font-size:11.5px;color:var(--d-muted);line-height:1.5}
.results-note{margin-top:32px;font-size:13px;color:var(--d-muted);line-height:1.7;max-width:72ch;display:flex;gap:12px;align-items:flex-start}
.results-note .tick{color:var(--d-cobalt);font-family:var(--mono);flex-shrink:0}

/* ============================================================ S6 BRANDS — 에디토리얼 인덱스 (행) */
.brand-list{border-top:1px solid var(--ink)}
.brand-row{display:grid;grid-template-columns:52px 1fr auto;gap:22px 26px;align-items:baseline;
  padding:28px 6px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);
  position:relative;transition:padding-left .3s cubic-bezier(.2,.7,.2,1)}
.brand-row:hover{padding-left:20px;background:linear-gradient(90deg,var(--paper-2),transparent 70%)}
.brand-row .bi{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.1em;padding-top:9px}
.brand-main{min-width:0}
.brand-nm{font-size:clamp(21px,2.3vw,28px);font-weight:700;letter-spacing:-.025em;display:flex;align-items:center;gap:10px}
.brand-nm .slash{opacity:0;transform:translateX(-8px);transition:.3s cubic-bezier(.2,.7,.2,1);color:var(--cobalt)}
.brand-row:hover .brand-nm .slash{opacity:1;transform:translateX(0)}
.brand-desc{margin-top:13px;font-size:15px;color:var(--ink-70);line-height:1.55}
.brand-stat{margin-top:9px;display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.02em}
.brand-stat .sv{color:var(--cobalt)}
.brand-stat .sl{color:var(--muted)}
.brand-tag{align-self:center;font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--line);padding:6px 11px;white-space:nowrap}
.brand-row:hover .brand-tag{border-color:var(--ink);color:var(--ink)}

/* ============================================================ S7 CLIENTS — 이미지 + 네임월 스플릿 */
.clients-split{display:grid;grid-template-columns:.82fr 1.18fr;gap:0;border:1px solid var(--line)}
.clients-visual{position:relative;overflow:hidden;min-height:100%;background:var(--ink)}
.clients-visual .img{filter:grayscale(1) contrast(1.08) brightness(.62)}
.clients-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(15,17,22,.15),rgba(15,17,22,.55))}
.clients-visual .cv-cap{position:absolute;left:28px;bottom:26px;color:var(--paper);z-index:2}
.clients-visual .cv-cap .l{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--d-cobalt)}
.clients-visual .cv-cap .b{margin-top:8px;font-size:22px;font-weight:700;letter-spacing:-.02em;line-height:1.2;max-width:16ch}
.clients-cols{display:grid;grid-template-columns:1fr 1fr 1fr;background:var(--paper)}
.cw-col{padding:30px 26px 14px;border-left:1px solid var(--line)}
.cw-col:first-child{border-left:0}
.cw-group{display:inline-flex;font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.cw-list{list-style:none}
.cw-list li{padding:13px 0;border-bottom:1px solid var(--line-soft);font-size:17px;font-weight:600;letter-spacing:-.01em}
.cw-list li:last-child{border-bottom:0}
.cw-disc{margin-top:26px;font-size:12.5px;color:var(--muted);line-height:1.7;max-width:70ch}

/* 클라이언트 로고 그리드 (실제 로고 파일) */
.logo-grid{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
.logo-cell{border-right:1px solid var(--line);border-bottom:1px solid var(--line);aspect-ratio:16/10;
  display:flex;align-items:center;justify-content:center;padding:18px;background:var(--paper);transition:background .2s}
.logo-cell:hover{background:var(--paper-2)}
.logo-cell img{max-width:76%;max-height:52%;width:auto;height:auto;object-fit:contain;
  filter:grayscale(1) opacity(.62);transition:opacity .25s,filter .25s}
.logo-cell:hover img{opacity:.92}
.logo-cell--more{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted);text-align:center;line-height:1.55}
.logo-cell--more .slash{color:var(--cobalt)}

/* ============================================================ S8 DOMAINS — 오버사이즈 타입 */
.domains{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px 22px;
  font-size:clamp(26px,4.4vw,58px);font-weight:700;letter-spacing:-.035em;line-height:1.08}
.domains .sep{color:var(--cobalt);font-weight:400;font-size:.7em}
.domains .d{transition:color .2s}
.domains .d:hover{color:var(--cobalt)}

/* ============================================================ S9 PRINCIPLES — 가로 스택 */
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;border-top:1px solid var(--ink);padding-top:8px}
.principle{padding-top:26px}
.principle .pn{font-family:var(--mono);font-size:12px;color:var(--cobalt);letter-spacing:.1em}
.principle h3{margin-top:16px;font-size:19px;font-weight:700;letter-spacing:-.01em}
.principle p{margin-top:11px;font-size:14px;color:var(--ink-70);line-height:1.62}

/* ============================================================ S10 CONTACT — 콘크리트 텍스처 배경 */
.contact{position:relative;overflow:hidden;isolation:isolate}
.contact .c-bg{position:absolute;inset:0;z-index:-2}
.contact .c-bg .img{filter:grayscale(1) contrast(1.02) brightness(1.03) opacity(.5)}
.contact::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,var(--paper) 30%,rgba(244,243,240,.7))}
.cta-block{display:grid;grid-template-columns:1.1fr .9fr;gap:64px;align-items:end;padding:24px 0}
.cta-block .big{font-size:clamp(30px,4.4vw,56px);font-weight:700;letter-spacing:-.035em;line-height:1.08}
.cta-block .big .slash{font-weight:400}
.cta-lead{font-size:16px;color:var(--ink-70);line-height:1.7;max-width:44ch}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.mail-link{font-family:var(--mono);font-size:clamp(16px,2.1vw,22px);letter-spacing:.02em;text-decoration:none;color:var(--ink);border-bottom:1.5px solid var(--cobalt);padding-bottom:4px;transition:opacity .2s}
.mail-link:hover{opacity:.6}
.join-note{font-size:14.5px;color:var(--ink-70);line-height:1.7;margin-top:10px}

/* ============================================================ FOOTER — 회사정보 흡수 */
footer{background:var(--ink);color:var(--paper);padding:72px 0 44px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--d-line)}
.foot-brand{font-weight:700;font-size:26px;display:flex;align-items:center;gap:11px;letter-spacing:-.02em}
.foot-tagline{margin-top:16px;font-size:14px;color:var(--d-muted);line-height:1.7;max-width:32ch}
.foot-col h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--d-muted);margin-bottom:16px}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.foot-col a,.foot-col li{color:#c8cad2;text-decoration:none;font-size:13.5px;line-height:1.5}
.foot-col a{transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-col .k{color:var(--d-muted);font-size:11px}
.foot-bottom{margin-top:34px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--d-muted);font-size:11.5px}
.foot-bottom .foot-tag{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#c8cad2}
.foot-bottom .cred{font-size:10.5px;color:#6a6d7d}

/* ============================================================ REVEAL */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .hero-flow::before{animation:none;height:150%}
  .lm-row{animation:none}
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .pillar:hover .p-bg .img{transform:none}
}

/* ============================================================ 반응형 */
@media(max-width:1140px){
  .hero-visual{position:relative;width:100%;height:46vh}
  .hero-copy{max-width:100%;min-height:auto;padding:92px 0 24px}
  .hero-visual::after{background:linear-gradient(0deg, var(--paper) 0%, rgba(244,243,240,0) 34%)}
  .hero-flow::before{left:82%}
}
@media(max-width:1000px){
  .intro{grid-template-columns:1fr;gap:44px;align-items:start}
  .pillars{grid-template-columns:1fr;gap:18px}
  .pillar{min-height:300px}
  .clients-split{grid-template-columns:1fr}
  .clients-visual{min-height:260px}
  .logo-grid{grid-template-columns:repeat(4,1fr)}
  .principles{grid-template-columns:1fr 1fr;gap:28px 36px}
  .bignums{grid-template-columns:1fr 1fr}
  .cta-block{grid-template-columns:1fr;gap:32px;align-items:start}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  :root{--pad:22px}
  .sec{padding:72px 0}.sec--tight{padding:52px 0}.band-in{padding:88px 0}
  .nav-links{display:none}.nav-toggle{display:block}
  .hero-copy{padding:74px 0 20px}
  .metrics{grid-template-columns:1fr 1fr}
  .clients-cols{grid-template-columns:1fr}
  .logo-grid{grid-template-columns:repeat(2,1fr)}
  .cw-col{border-left:0;border-top:1px solid var(--line)}
  .cw-col:first-child{border-top:0}
  .principles{grid-template-columns:1fr}
  .bignums{grid-template-columns:1fr}
  .bignum{border-right:0}
  .proof-item{border-left:0;border-top:1px solid var(--line);min-width:100%}
  .proof-item:first-child{border-top:0}
  .brand-row{grid-template-columns:38px 1fr;gap:0 14px;padding:24px 4px}
  .brand-row .brand-tag{display:none}
  .brand-row:hover{padding-left:4px}
  .rank-row{grid-template-columns:1fr;gap:5px;padding:18px 4px}
  .rank-vol{grid-column:1}
  .rank-move{grid-column:1;justify-content:flex-start;margin-top:3px}
  .foot-top{grid-template-columns:1fr}
}